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List:       gnupg-users
Subject:    Re: "gpg --card-edit" with multiple card readers (Yubikey)
From:       Michael Richardson <mcr () sandelman ! ca>
Date:       2023-07-20 1:47:49
Message-ID: 13930.1689817669 () localhost
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Andrew Gallagher <andrewg@andrewg.com> wrote:
    > The yubikey performs cryptography on the device, but does have a small
    > amount of flash memory to store the private key material. The yubikey
    > does not provide any method to copy the private key material back off
    > that storage, it can only be overwritten or used by the yubikey's own
    > processor.

So I can generate the key on laptop, copy it to multiple yubikey, and do the
crypto on the device, and the yubikey won't let the private key out again.
Once I destroy the copy on my laptop, them I'm good.




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